Home / 313,278.55-432,312.81-170,035.52

Finding the Fourth Proportional to 313,278.55, 432,312.81 and 170,035.52

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Solution

The fourth proportional to 313,278.55, 432,312.81 and 170,035.52 is: 234,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,278.55 : 432,312.81 = 170,035.52 : x
  2. Step 2: Convert to fraction form
    313,278.55/432,312.81 = 170,035.52/x
  3. Step 3: Cross multiply
    313,278.55x = 432,312.81 × 170,035.52
  4. Step 4: Simplify right side
    313,278.55x = 73,508,533,451.01
  5. Step 5: Solve for x
    x = 73,508,533,451.01/313,278.55
  6. Step 6: Final answer
    x = 234,642.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.